Finding the Fourth Proportional to 8,008.32, 12,012.72 and 2,743.20

Step by Step Solution

1. Step 1: Write the proportion equation
   8,008.32 : 12,012.72 = 2,743.20 : x
2. Step 2: Convert to fraction form
   8,008.32/12,012.72 = 2,743.20/x
3. Step 3: Cross multiply
   8,008.32x = 12,012.72 × 2,743.20
4. Step 4: Simplify right side
   8,008.32x = 32,953,293.50
5. Step 5: Solve for x
   x = 32,953,293.50/8,008.32
6. Step 6: Final answer
   x = 4,114.88